/**
 * Copyright 2008-2009 HAN.BIFANG
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package han.bashe.common.util;

import java.io.CharArrayWriter;
import java.io.PrintWriter;

/**
 * @Author Kent
 */
public class ExceptionUtils {

	public static String getTraceAsString(Exception e) {
		try {
			CharArrayWriter w = new CharArrayWriter();
			PrintWriter pw = new PrintWriter(w);
			e.printStackTrace(pw);
			return new String(w.toCharArray());
		} catch (Exception e1) {
			return null;
		}
	}
	
	public static boolean isClientFault(String code){
		return code.startsWith("29");
	}

}
